06-26-2020, 12:20 PM
Join Date: Apr 2005
Location: Brentwood, CA, USA
iTrader Positive Rating: 100%
| | Re: First planted tank! Worried about the soil depth
2 cm of soil is enough. About the same amount of fine gravel on top is also enough. "Sand" usually means some very fine particles, which isn't as good as fine gravel, but yours looks about the right size particles.